20121974922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{77813}}^1$

素因数の和:78003

約数の個数: 64

約数和(自身を含む): 47330832384

約数和(自身を除く): 27208857462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 131, 141, 262, 282, 329, 393, 658, 786, 917, 987, 1834, 1974, 2751, 5502, 6157, 12314, 18471, 36942, 43099, 77813, 86198, 129297, 155626, 233439, 258594, 466878, 544691, 1089382, 1634073, 3268146, 3657211, 7314422, 10193503, 10971633, 20387006, 21943266, 25600477, 30580509, 51200954, 61161018, 71354521, 76801431, 142709042, 153602862, 214063563, 428127126, 479094641, 958189282, 1437283923, 2874567846, 3353662487, 6707324974, 10060987461, 20121974922]

約数ペア:

[(1, 20121974922), (2, 10060987461), (3, 6707324974), (6, 3353662487), (7, 2874567846), (14, 1437283923), (21, 958189282), (42, 479094641), (47, 428127126), (94, 214063563), (131, 153602862), (141, 142709042), (262, 76801431), (282, 71354521), (329, 61161018), (393, 51200954), (658, 30580509), (786, 25600477), (917, 21943266), (987, 20387006), (1834, 10971633), (1974, 10193503), (2751, 7314422), (5502, 3657211), (6157, 3268146), (12314, 1634073), (18471, 1089382), (36942, 544691), (43099, 466878), (77813, 258594), (86198, 233439), (129297, 155626)]